ELI5: Explain Like I'm 5

Discrete global grid

Discrete Global Grid is like a special kind of map- it is a way of dividing the Earth into billions of tiny pieces by creating a grid of points that divides the world into squares. This grid allows us to look up exact locations around the planet easily. It's like a map made up of a lot of tiny squares that can tell us exactly where things are around the world.
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